[Suggestion] Run script in case of thermal error.

I have been thinking - Woulden't it be awsome to make the thermal runaway protection trigger some sort of script?
I know it currenlty is just turning off all heaters, but it would be nice to have some script that you could customize in case of faults.

Personally, I would use it to flash the lights, run fans at 100% and dissable PS_ON to turn of the external power.